21546055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 29113344

約数和(自身を除く): 7567289

約数列:

[1, 5, 17, 23, 85, 103, 107, 115, 391, 515, 535, 1751, 1819, 1955, 2369, 2461, 8755, 9095, 11021, 11845, 12305, 40273, 41837, 55105, 187357, 201365, 209185, 253483, 936785, 1267415, 4309211, 21546055]

約数ペア:

[(1, 21546055), (5, 4309211), (17, 1267415), (23, 936785), (85, 253483), (103, 209185), (107, 201365), (115, 187357), (391, 55105), (515, 41837), (535, 40273), (1751, 12305), (1819, 11845), (1955, 11021), (2369, 9095), (2461, 8755)]